After his final race -- Phelps is retiring after the London Games -- he retweeted a message from fellow swimmer Missy Franklin, who also is competing at this year's Olympics: "Thanks missie [sic]!!! Congrats to you for tonight as well RT @FranklinMissy: Proud of my teammates @rebsoni @ryanlochte @MichaelPhelps @TylerClary @TyMcGill @Cullen_Jones @AnthonyErvin @swimhardy 4 an INCREDIBLE night."

For his part, Clary also chimed in after his win, writing: "This is unreal, I am an Olympic gold medalist!!! Thank you and I love you all!!!"

He also tweeted a photo of his medal with the message: "Ever see an Olympic gold medal up close??"